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Resource Library

Explore my growing library of math resources to support your curriculum and save time. Use the search and filters by grade, skill, resource type, or series. Find the perfect activity for whole-group work, small groups, remediation, or enrichment.

Unit 3: Addition & Subtraction Mini-Unit 3: Adding & Subtracting Decimals to 1 Million Lesson 3.4: Subtracting Whole Numbers & Decimals This teacher-led small-group activity includes a printable math mat (with place-value supports and modeling space) and 24 editable task cards designed for hands-on subtraction practice with whole numbers and decimals represented as money. Students will: • practice subtracting whole numbers and decimals using place-value alignment • focus on the value of digits in both the minuend and subtrahend • apply regrouping strategies when needed • use money models to represent values and support understanding • explain their regrouping decisions and justify their strategies • check their work using addition to verify differences

Subtracting Whole Numbers & Decimals – 4th Grade Math Mat (Unit 3, Lesson 3.4)

Practice subtracting decimals in this 4th grade math mat. Students regroup, model with place value, find differences, and check their work using addition.

Subtracting Decimals – 4th Grade Math Mat (Unit 3, Mini-Unit 3, Lesson 3.3)

Practice adding whole numbers and decimals, including money amounts, using this 4th grade math mat. Students regroup, align place value, and explain their reasoning.

Adding Whole Numbers & Decimals – 4th Grade Math Mat (Unit 3, Mini-Unit 3, Lesson 3.2)

CCSS: 5.NBT.7 (partial) Teach adding decimals using place-value models in this 4th grade math mat. Students regroup, align decimals, and explain their reasoning.

Adding Decimals – 4th Grade Math Mat (Unit 3, Lesson 3.1)

Solve multi-step word problems using all four operations in this 4th grade math mat. Students analyze clues, choose operations, interpret remainders, and explain solutions.

Multi-Step Word Problems – 4th Grade Math Mat (Unit 3, Lesson 2.4)

Practice subtracting multi-digit numbers using the standard algorithm in this 4th grade math mat. Students regroup, analyze digit values, and check estimate accuracy.

Subtracting with the Standard Algorithm – 4th Grade Math Mat (Unit 3, Lesson 2.3)

Review subtraction strategies using place value with this 4th grade math mat. Students estimate, decompose units, and use compensation and partial differences.

Subtracting with Place Value Strategies – 4th Grade Math Mat (Unit 3, Lesson 2.2)

Practice estimating and subtracting multi-digit numbers using place value discs and number lines in this 4th grade math mat. Students compare estimates and regroup accurately.

Estimating & Subtracting Hands-On – 4th Grade Math Mat (Unit 3, Lesson 2.1)

Solve real-world multi-step word problems using this 4th grade math mat. Students identify operations, use clue words, and solve using addition, multiplication, and division.

Multi-Step Word Problems – 4th Grade Math Mat (Unit 3, Lesson 1.4)

Practice adding multi-digit numbers using the standard algorithm with this 4th grade math mat. Students estimate, add, and analyze accuracy through hands-on practice.

Adding with the Standard Algorithm – 4th Grade Math Mat (Unit 3, Lesson 1.3)

Practice adding multi-digit numbers using place value strategies in this 4th grade math mat. Students use rounding and compatible numbers to estimate and add.

Adding with Place Value Strategies – 4th Grade Math Mat (Unit 3, Lesson 1.2)

Build estimation and multi-digit addition skills with this 4th grade math mat. Students use place value discs and number lines to estimate and add up to one million.

Estimating & Adding Hands-on – 4th Grade Math Mat (Unit 3, Lesson 1.1)

Explore decimal place value relationships in this 4th grade math mat. Students use models to show how each place is 10 times greater or less than its neighbor.

Decimal Place Value Relationships – 4th Grade Math Mat (Unit 2, Lesson 4.4)

Order decimals to the hundredths using number lines and models in this 4th grade math mat. Students use place value reasoning to compare decimals.

Ordering Decimals – 4th Grade Math Mat (Unit 2, Lesson 4.3)

Compare decimals to the hundredths using models and symbols in this 4th grade math mat. Students build decimal numbers and explain their reasoning.

Comparing Decimals – 4th Grade Math Mat (Unit 2, Lesson 4.2)

Review reading and writing decimals with this 4th grade math mat. Students model decimals to the hundredths using money, fractions, and expanded & word form.

Reading & Writing Decimals – 4th Grade Math Mat (Unit 2, Lesson 4.1)

Practice rounding 7-digit numbers to any place with this 4th grade math mat. Identify endpoints and midpoints to compare accuracy when rounding to a million.

Rounding Millions to any Place – 4th Grade Math Mat (Unit 2, Lesson 3.4)

Practice rounding 6-digit numbers to any place with this 4th grade math mat. Identify endpoints and midpoints to compare accuracy when rounding to 100-thousand.

Rounding 100 Thousands to any Place – 4th Grade Math Mat (Unit 2, Lesson 3.3)

Practice rounding 5-digit numbers to any place with this 4th grade math mat. Identify endpoints and midpoints to compare accuracy when rounding to ten-thousand.

Rounding 10 Thousands to any Place – 4th Grade Math Mat (Unit 2, Lesson 3.2)

Review rounding up to 4-digit numbers with this 4th grade math mat. Students use number lines, endpoints, and midpoints to analyze rounding accuracy.

Rounding Review – 4th Grade Math Mat (Unit 2, Lesson 3.1)

Unit 2: Understanding Numbers to 1 Billion Mini-Unit 2: Understanding Numbers to 1 Billion Lesson 4: Comparing & Ordering Numbers to 1 Billion This teacher-led small group activity includes a printable math mat (models for comparing and ordering numbers through the billions place) and 12 editable task cards. Students will: build and compare multi-digit numbers using place value charts use , and = symbols to compare numbers through the billions place order numbers from least to greatest and greatest to least explain how place value affects the order and comparison of digits develop reasoning skills for working with large numbers up to 1,000,000,000

Comparing & Ordering Numbers to 1 Billion – 4th Grade Math Mat (Unit 2, Lesson 2.4)

Practice number forms and place value with this 4th grade math mat. Students represent numbers four ways and compare how digit placement affects value.

Number Forms & Place Value – 4th Grade Math Mat (Unit 2, Lesson 2.3)

Practice reading and writing numbers to 1 billion with this 4th grade math mat. Students build, name, and organize digits using commas and place value periods.

Reading & Writing Numbers to 1 Billion – 4th Grade Math Mat (Unit 2, Lesson 2.2)

Model and compare place value relationships with this 4th grade math mat. Students explore how digits change by powers of 10 and explain relationships up to billions.

Place Value Relationships – 4th Grade Math Mat (Unit 2, Lesson 2.1)

Review comparing and ordering numbers through the millions place with this 4th grade math mat. Students build, compare, and order numbers using place value reasoning.

Comparing & Ordering Numbers to 1 Million – Math Mat (Unit 2, Lesson 1.4)

Practice number forms and place value up to one million in this 4th grade math mat. Students write numbers four ways and compare digit values. (

Number Forms & Place Value – 4th Grade Math Mat (Unit 2, Lesson 1.3)

Practice reading and writing numbers to 1 million with this 4th grade math mat. Students build 7-digit numbers, use commas, and write word forms.

Reading & Writing Numbers to 1 Million – 4th Grade Math Mat (Unit 2, Lesson 1.2)

Explore place value relationships with this 4th grade math mat. Students model numbers, trade discs, and explain how each place is 10 times greater or less.

Place Value Relationships – 4th Grade Math Mat (Unit 2, Lesson 1.1)

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